{ xtype: 'combo', id: 'ApplyToModel', name: 'ApplyToModel', store: comStoreApplyToModel, valueField: "Id", displayField: "ChineseName", 150, mode: 'remote',//local editable: false, triggerAction: 'all', autoload: true, listeners: { "expand": function (combo, store, index) { comboData_DynaPropertyValue.load({ params: { PropertyId:'' , //获取当前选择行的字段ID start: startDynaProperty, limit: limitDynaProperty } }); } } }